399528216

素因数分解:

$2^3\times 3^2\times {\mathrm{23}}^1\times {\mathrm{241261}}^1$

素因数の和:241296

約数の個数: 48

約数和(自身を含む): 1129106160

約数和(自身を除く): 729577944

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 23, 24, 36, 46, 69, 72, 92, 138, 184, 207, 276, 414, 552, 828, 1656, 241261, 482522, 723783, 965044, 1447566, 1930088, 2171349, 2895132, 4342698, 5549003, 5790264, 8685396, 11098006, 16647009, 17370792, 22196012, 33294018, 44392024, 49941027, 66588036, 99882054, 133176072, 199764108, 399528216]

約数ペア:

[(1, 399528216), (2, 199764108), (3, 133176072), (4, 99882054), (6, 66588036), (8, 49941027), (9, 44392024), (12, 33294018), (18, 22196012), (23, 17370792), (24, 16647009), (36, 11098006), (46, 8685396), (69, 5790264), (72, 5549003), (92, 4342698), (138, 2895132), (184, 2171349), (207, 1930088), (276, 1447566), (414, 965044), (552, 723783), (828, 482522), (1656, 241261)]